Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC2016ACADIA SLT, FWDREPAIR AND DIAGNOSISBODY & FRAMEIGNITION SWITCH/STEERING LOCKIMMOBILIZER SYSTEM
2016 GMC Acadia SLT, FWD
Immobilizer System
2016 GMC Acadia SLT, FWDSECTION Immobilizer System
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- DTC B0996: Vehicle Electronic Control Unit (ECU) VIN Check Error
- DTC B302A: Telematic Requested Immobilization
- DTC B3031: Security System Controller In Learn Mode
- DTC B3055: No Transponder Modulation or No Transponder
- DTC B3060: Unprogrammed Transponder Identification Code Received
- DTC B3935: Transponder Authentication Error
- DTC B3976: Unconfigured Transponder/Vehicle Configuration Not Programmed
- DTC P0513: Theft Deterrent Key Incorrect
- DTC P0633: Theft Deterrent Key Not Programmed
- DTC P1629: Theft Deterrent Fuel Enable Signal Not Received
- DTC P162B: Remote Vehicle Speed Limiting Signal Message Counter Incorrect
- DTC P1631: Theft Deterrent Fuel Enable Signal Not Correct
- Repair Instructions
- Description and Operation
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.